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Difference results when re-run placedesign

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I've got every time a difference result when I ran placedesign (related to congestion) after I've changed some power grid even though the same placementguides have been used.
My question is how can I specify the startpoint  (sheetfactor ??? ) so that the placedesign should start at the same point.

Thanks.


Originally posted in cdnusers.org by DN
Parents

  • Hi ,
    I seems that you agreed that you have changed the placement of modules or fp. causing the same, As you know that trail route choose different paths when module placement change.
    suggesion : try with "-incremental" option.
    Yes I too agree that global congestion effects every design .
    see the cause and avoid it by placing density screen .

    Thanks , Non -AE


    Originally posted in cdnusers.org by mohanch007
Reply

  • Hi ,
    I seems that you agreed that you have changed the placement of modules or fp. causing the same, As you know that trail route choose different paths when module placement change.
    suggesion : try with "-incremental" option.
    Yes I too agree that global congestion effects every design .
    see the cause and avoid it by placing density screen .

    Thanks , Non -AE


    Originally posted in cdnusers.org by mohanch007
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